A washed-up captain. A worn-out ship. A crew of green cadets. And they're Earth's only hope.
The Alexander is the last true warship, a relic from the days of interstellar war. She's destined for the scrapyard, and her captain, Richard Hammett,
Playing with mathematical riddles can be an intriguing and fun-filled pastime — as popular science writer Martin Gardner proves in this entertaining collection. Puzzlists need only an elementary knowledge of math and a will to resist looking up the